Why it works: Butternut squash and pasta share more aroma than cooks usually use. They rank in the top 1% of all ingredient pairs, and 46 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓
The recipe
8 servingsIngredients
Contains: milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Method written by CompKitchen from the ingredient list. Not the original author's method, not kitchen-tested.
Preheat the oven to 400°F (204°C). Spray a 9x13 inch baking dish with cooking spray. Place the squash quarters cut side down on a sheet pan, season lightly with salt, and roast 35 to 40 minutes until fork-tender.
Bring a large pot of water with salt to taste to a boil. Cook the jumbo pasta shells until just al dente, about 10 minutes. Drain and rinse with cool water so they are easy to handle.
While the squash roasts, heat the olive oil in a skillet over medium-low heat. Add the sliced red onion and brown sugar and cook 15 minutes, stirring often, until soft and caramelized.
Add the minced garlic and cook 1 minute. Add the spinach and cook until wilted and dry, then chop finely and set aside.
Scoop the roasted squash flesh into a bowl and mash with 2 tablespoons butter and salt to taste. Stir in the onion and spinach mixture, goat cheese, chopped parsley, and chopped fresh rosemary.
Melt the 1/4 cup butter in a saucepan over medium heat. Whisk in the flour and cook 1 minute. Slowly whisk in the 3 1/2 cups cream and 1/2 cup cream, then simmer 5 to 7 minutes until thickened. Stir in the minced rosemary and salt to taste.
Fill each shell with the squash mixture and arrange them in the baking dish. Spoon the cream sauce over the shells, cover with foil, and bake 20 minutes. Uncover and bake 5 minutes more until bubbling and hot.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much aroma chemistry they share, and how many recipes mention both.
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Butternut squash + pastatop 1% of all pairsAroma overlapstrongMentioned together46 recipes
Shared aroma: coumarin (sweet, hay).
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Garlic + oniontop 1% of all pairsAroma overlapstrongMentioned together29,030 recipes
Shared aroma: furaneol (caramel, strawberry).
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Garlic + olivetop 3% of all pairsAroma overlapmoderateMentioned together23,449 recipes
Shared aroma: linalool (floral, citrus).
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Rosemary + olivetop 3% of all pairsAroma overlapstrongMentioned together2,489 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Cream + buttertop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the rosemary
How well each one fits the dish's main ingredients (butternut squash, garlic, cream, butter, pasta, olive, onion):
- Capersbetter flavor fit
- Thymeabout as good a flavor fit
- Parsleyabout as good a flavor fit
- Rosemarythe original
Fit is the average pairing score against butternut squash, garlic, cream, butter, pasta, olive, onion. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
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